If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Which point will the car reach to go out?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A man dies of old age on his 25 birthday. How is this possible?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

What does this simple rebus mean?